* {
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}


div {
  width: 100px;
  height: 100px;
  border: 1px solid red;
  margin: 10px;
}

p {
  font-size: 20px;
  color: blue;
  text-decoration: underline;
}

img{
  width: 500px;
}